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71707575164 = 22372292115767
BaseRepresentation
bin100001011001000011…
…0101100001101111100
320212002102110020122012
41002302012230031330
52133324114401124
652535250110352
75115660221621
oct1026206541574
9225072406565
1071707575164
1128458069615
1211a9287b3b8
1369ba146b64
143683710348
151cea4ade0e
hex10b21ac37c

71707575164 has 24 divisors (see below), whose sum is σ = 129442686240. Its totient is φ = 34732414656.

The previous prime is 71707575133. The next prime is 71707575179. The reversal of 71707575164 is 46157570717.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1023992 + ... + 1091775.

It is an arithmetic number, because the mean of its divisors is an integer number (5393445260).

Almost surely, 271707575164 is an apocalyptic number.

71707575164 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

71707575164 is a deficient number, since it is larger than the sum of its proper divisors (57735111076).

71707575164 is a wasteful number, since it uses less digits than its factorization.

71707575164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116037 (or 2116035 counting only the distinct ones).

The product of its (nonzero) digits is 1440600, while the sum is 50.

The spelling of 71707575164 in words is "seventy-one billion, seven hundred seven million, five hundred seventy-five thousand, one hundred sixty-four".

Divisors: 1 2 4 37 74 148 229 458 916 8473 16946 33892 2115767 4231534 8463068 78283379 156566758 313133516 484510643 969021286 1938042572 17926893791 35853787582 71707575164